Math Question: In triangle ABC, the angle bisector of ∠A intersects BC at point D. If the measure of ∠A is 60° and ∠ACD is 30°, find the measure of ∠BAD.
+
Math question: Given the slope-intercept equation y = 2x + 3, graph the line and find the x-coordinate when y = 7.
+
What is the length of the side opposite a 40° angle in a triangle with sides of length 12 and 15?